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Healthy volunteers will participate in a crossover trial comparing preoxygenation with a non-rebreather mask to a bag-valve mask (with and without a simulated mask leak) at the flush rate of oxygen (fully opening standard oxygen flowmeter).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Non rebreather | Active Comparator |
| |
| Bag valve mask without leak | Active Comparator |
| |
| Bag valve mask with simulated mask leak | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Flush rate oxygen using a standard flowmeter (Precision Medical, 8MFA). See description for details. This is specific. | Other | A standard oxygen flowmeter will be fully opened and oxygen will be administered for three minutes. |
| Measure | Description | Time Frame |
|---|---|---|
| Fraction of expired oxygen | The fraction of expired oxygen will be measured after three minutes of preoxygenation | 3 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D012131 | Respiratory Insufficiency |
| ID | Term |
|---|---|
| D012120 | Respiration Disorders |
| D012140 | Respiratory Tract Diseases |
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